Remove temporary project shadows
Remove temporary project shadows

These were to accomodate nodeset moves between projects; that is
completed now.

Change-Id: I1e5fcd86e6d5e1372c2ee0abc19a91d7f7d30e05
Depends-On: https://review.opendev.org/670382
Depends-On: https://review.opendev.org/670385

openstack-infra/project-config,openstack-infra/project-config